mirror of
https://gitlab.alpinelinux.org/alpine/aports.git
synced 2025-10-31 00:12:05 +01:00
35 lines
898 B
Diff
35 lines
898 B
Diff
Check if libc supports error backtracing from execinfo.h before attempting
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to use it (musl does not support this).
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--- a2jmidid-9/sigsegv.c
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+++ a2jmidid-9/sigsegv.c
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@@ -28,7 +28,9 @@
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#include <signal.h>
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#include <ucontext.h>
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#include <dlfcn.h>
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+#ifdef LIBC_HAS_BACKTRACE
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#include <execinfo.h>
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+#endif
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#include <errno.h>
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#ifndef NO_CPP_DEMANGLE
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//#include <cxxabi.h>
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@@ -148,12 +150,14 @@
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bp = (void**)bp[0];
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}
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#else
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- a2j_error("Stack trace (non-dedicated):");
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- sz = backtrace(bt, 20);
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- strings = backtrace_symbols(bt, sz);
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+ #ifdef LIBC_HAS_BACKTRACE
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+ a2j_error("Stack trace (non-dedicated):");
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+ sz = backtrace(bt, 20);
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+ strings = backtrace_symbols(bt, sz);
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- for(i = 0; i < sz; ++i)
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- a2j_error("%s", strings[i]);
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+ for(i = 0; i < sz; ++i)
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+ a2j_error("%s", strings[i]);
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+ #endif
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#endif
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a2j_error("End of stack trace");
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exit (-1);
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